oatdump.cc revision bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9fe
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include <stdio.h> 18#include <stdlib.h> 19 20#include <fstream> 21#include <iostream> 22#include <string> 23#include <vector> 24 25#include "base/stringpiece.h" 26#include "base/unix_file/fd_file.h" 27#include "class_linker.h" 28#include "class_linker-inl.h" 29#include "dex_file-inl.h" 30#include "dex_instruction.h" 31#include "disassembler.h" 32#include "gc_map.h" 33#include "gc/space/image_space.h" 34#include "gc/space/large_object_space.h" 35#include "gc/space/space-inl.h" 36#include "image.h" 37#include "indenter.h" 38#include "mapping_table.h" 39#include "mirror/art_field-inl.h" 40#include "mirror/art_method-inl.h" 41#include "mirror/array-inl.h" 42#include "mirror/class-inl.h" 43#include "mirror/object-inl.h" 44#include "mirror/object_array-inl.h" 45#include "noop_compiler_callbacks.h" 46#include "oat.h" 47#include "oat_file-inl.h" 48#include "object_utils.h" 49#include "os.h" 50#include "runtime.h" 51#include "safe_map.h" 52#include "scoped_thread_state_change.h" 53#include "thread_list.h" 54#include "verifier/dex_gc_map.h" 55#include "verifier/method_verifier.h" 56#include "vmap_table.h" 57 58namespace art { 59 60static void usage() { 61 fprintf(stderr, 62 "Usage: oatdump [options] ...\n" 63 " Example: oatdump --image=$ANDROID_PRODUCT_OUT/system/framework/boot.art\n" 64 " Example: adb shell oatdump --image=/system/framework/boot.art\n" 65 "\n"); 66 fprintf(stderr, 67 " --oat-file=<file.oat>: specifies an input oat filename.\n" 68 " Example: --oat-file=/system/framework/boot.oat\n" 69 "\n"); 70 fprintf(stderr, 71 " --image=<file.art>: specifies an input image filename.\n" 72 " Example: --image=/system/framework/boot.art\n" 73 "\n"); 74 fprintf(stderr, 75 " --boot-image=<file.art>: provide the image file for the boot class path.\n" 76 " Example: --boot-image=/system/framework/boot.art\n" 77 "\n"); 78 fprintf(stderr, 79 " --instruction-set=(arm|arm64|mips|x86|x86_64): for locating the image file based on the image location\n" 80 " set.\n" 81 " Example: --instruction-set=x86\n" 82 " Default: %s\n" 83 "\n", 84 GetInstructionSetString(kRuntimeISA)); 85 fprintf(stderr, 86 " --output=<file> may be used to send the output to a file.\n" 87 " Example: --output=/tmp/oatdump.txt\n" 88 "\n"); 89 fprintf(stderr, 90 " --dump:[raw_mapping_table|raw_gc_map]\n" 91 " Example: --dump:raw_gc_map\n" 92 " Default: neither\n" 93 "\n"); 94 exit(EXIT_FAILURE); 95} 96 97const char* image_roots_descriptions_[] = { 98 "kResolutionMethod", 99 "kImtConflictMethod", 100 "kDefaultImt", 101 "kCalleeSaveMethod", 102 "kRefsOnlySaveMethod", 103 "kRefsAndArgsSaveMethod", 104 "kDexCaches", 105 "kClassRoots", 106}; 107 108class OatDumper { 109 public: 110 explicit OatDumper(const OatFile& oat_file, bool dump_raw_mapping_table, bool dump_raw_gc_map) 111 : oat_file_(oat_file), 112 oat_dex_files_(oat_file.GetOatDexFiles()), 113 dump_raw_mapping_table_(dump_raw_mapping_table), 114 dump_raw_gc_map_(dump_raw_gc_map), 115 disassembler_(Disassembler::Create(oat_file_.GetOatHeader().GetInstructionSet())) { 116 AddAllOffsets(); 117 } 118 119 void Dump(std::ostream& os) { 120 const OatHeader& oat_header = oat_file_.GetOatHeader(); 121 122 os << "MAGIC:\n"; 123 os << oat_header.GetMagic() << "\n\n"; 124 125 os << "CHECKSUM:\n"; 126 os << StringPrintf("0x%08x\n\n", oat_header.GetChecksum()); 127 128 os << "INSTRUCTION SET:\n"; 129 os << oat_header.GetInstructionSet() << "\n\n"; 130 131 os << "INSTRUCTION SET FEATURES:\n"; 132 os << oat_header.GetInstructionSetFeatures().GetFeatureString() << "\n\n"; 133 134 os << "DEX FILE COUNT:\n"; 135 os << oat_header.GetDexFileCount() << "\n\n"; 136 137#define DUMP_OAT_HEADER_OFFSET(label, offset) \ 138 os << label " OFFSET:\n"; \ 139 os << StringPrintf("0x%08x", oat_header.offset()); \ 140 if (oat_header.offset() != 0) { \ 141 os << StringPrintf(" (%p)", oat_file_.Begin() + oat_header.offset()); \ 142 } \ 143 os << StringPrintf("\n\n"); 144 145 DUMP_OAT_HEADER_OFFSET("EXECUTABLE", GetExecutableOffset); 146 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO INTERPRETER BRIDGE", 147 GetInterpreterToInterpreterBridgeOffset); 148 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO COMPILED CODE BRIDGE", 149 GetInterpreterToCompiledCodeBridgeOffset); 150 DUMP_OAT_HEADER_OFFSET("JNI DLSYM LOOKUP", 151 GetJniDlsymLookupOffset); 152 DUMP_OAT_HEADER_OFFSET("PORTABLE IMT CONFLICT TRAMPOLINE", 153 GetPortableImtConflictTrampolineOffset); 154 DUMP_OAT_HEADER_OFFSET("PORTABLE RESOLUTION TRAMPOLINE", 155 GetPortableResolutionTrampolineOffset); 156 DUMP_OAT_HEADER_OFFSET("PORTABLE TO INTERPRETER BRIDGE", 157 GetPortableToInterpreterBridgeOffset); 158 DUMP_OAT_HEADER_OFFSET("QUICK GENERIC JNI TRAMPOLINE", 159 GetQuickGenericJniTrampolineOffset); 160 DUMP_OAT_HEADER_OFFSET("QUICK IMT CONFLICT TRAMPOLINE", 161 GetQuickImtConflictTrampolineOffset); 162 DUMP_OAT_HEADER_OFFSET("QUICK RESOLUTION TRAMPOLINE", 163 GetQuickResolutionTrampolineOffset); 164 DUMP_OAT_HEADER_OFFSET("QUICK TO INTERPRETER BRIDGE", 165 GetQuickToInterpreterBridgeOffset); 166#undef DUMP_OAT_HEADER_OFFSET 167 168 os << "IMAGE FILE LOCATION OAT CHECKSUM:\n"; 169 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatChecksum()); 170 171 os << "IMAGE FILE LOCATION OAT BEGIN:\n"; 172 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatDataBegin()); 173 174 os << "IMAGE FILE LOCATION:\n"; 175 const std::string image_file_location(oat_header.GetImageFileLocation()); 176 os << image_file_location; 177 os << "\n\n"; 178 179 os << "BEGIN:\n"; 180 os << reinterpret_cast<const void*>(oat_file_.Begin()) << "\n\n"; 181 182 os << "END:\n"; 183 os << reinterpret_cast<const void*>(oat_file_.End()) << "\n\n"; 184 185 os << std::flush; 186 187 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 188 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 189 CHECK(oat_dex_file != NULL); 190 DumpOatDexFile(os, *oat_dex_file); 191 } 192 } 193 194 size_t ComputeSize(const void* oat_data) { 195 if (reinterpret_cast<const byte*>(oat_data) < oat_file_.Begin() || 196 reinterpret_cast<const byte*>(oat_data) > oat_file_.End()) { 197 return 0; // Address not in oat file 198 } 199 uintptr_t begin_offset = reinterpret_cast<uintptr_t>(oat_data) - 200 reinterpret_cast<uintptr_t>(oat_file_.Begin()); 201 auto it = offsets_.upper_bound(begin_offset); 202 CHECK(it != offsets_.end()); 203 uintptr_t end_offset = *it; 204 return end_offset - begin_offset; 205 } 206 207 InstructionSet GetInstructionSet() { 208 return oat_file_.GetOatHeader().GetInstructionSet(); 209 } 210 211 const void* GetQuickOatCode(mirror::ArtMethod* m) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 212 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 213 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 214 CHECK(oat_dex_file != nullptr); 215 std::string error_msg; 216 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 217 if (dex_file.get() == nullptr) { 218 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 219 << "': " << error_msg; 220 } else { 221 const DexFile::ClassDef* class_def = 222 dex_file->FindClassDef(m->GetDeclaringClassDescriptor()); 223 if (class_def != NULL) { 224 uint16_t class_def_index = dex_file->GetIndexForClassDef(*class_def); 225 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 226 size_t method_index = m->GetMethodIndex(); 227 return oat_class.GetOatMethod(method_index).GetQuickCode(); 228 } 229 } 230 } 231 return NULL; 232 } 233 234 private: 235 void AddAllOffsets() { 236 // We don't know the length of the code for each method, but we need to know where to stop 237 // when disassembling. What we do know is that a region of code will be followed by some other 238 // region, so if we keep a sorted sequence of the start of each region, we can infer the length 239 // of a piece of code by using upper_bound to find the start of the next region. 240 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 241 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 242 CHECK(oat_dex_file != NULL); 243 std::string error_msg; 244 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 245 if (dex_file.get() == nullptr) { 246 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 247 << "': " << error_msg; 248 continue; 249 } 250 offsets_.insert(reinterpret_cast<uintptr_t>(&dex_file->GetHeader())); 251 for (size_t class_def_index = 0; 252 class_def_index < dex_file->NumClassDefs(); 253 class_def_index++) { 254 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 255 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 256 const byte* class_data = dex_file->GetClassData(class_def); 257 if (class_data != NULL) { 258 ClassDataItemIterator it(*dex_file, class_data); 259 SkipAllFields(it); 260 uint32_t class_method_index = 0; 261 while (it.HasNextDirectMethod()) { 262 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 263 it.Next(); 264 } 265 while (it.HasNextVirtualMethod()) { 266 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 267 it.Next(); 268 } 269 } 270 } 271 } 272 273 // If the last thing in the file is code for a method, there won't be an offset for the "next" 274 // thing. Instead of having a special case in the upper_bound code, let's just add an entry 275 // for the end of the file. 276 offsets_.insert(oat_file_.Size()); 277 } 278 279 void AddOffsets(const OatFile::OatMethod& oat_method) { 280 uint32_t code_offset = oat_method.GetCodeOffset(); 281 if (oat_file_.GetOatHeader().GetInstructionSet() == kThumb2) { 282 code_offset &= ~0x1; 283 } 284 offsets_.insert(code_offset); 285 offsets_.insert(oat_method.GetMappingTableOffset()); 286 offsets_.insert(oat_method.GetVmapTableOffset()); 287 offsets_.insert(oat_method.GetNativeGcMapOffset()); 288 } 289 290 void DumpOatDexFile(std::ostream& os, const OatFile::OatDexFile& oat_dex_file) { 291 os << "OAT DEX FILE:\n"; 292 os << StringPrintf("location: %s\n", oat_dex_file.GetDexFileLocation().c_str()); 293 os << StringPrintf("checksum: 0x%08x\n", oat_dex_file.GetDexFileLocationChecksum()); 294 295 // Create the verifier early. 296 297 std::string error_msg; 298 std::unique_ptr<const DexFile> dex_file(oat_dex_file.OpenDexFile(&error_msg)); 299 if (dex_file.get() == NULL) { 300 os << "NOT FOUND: " << error_msg << "\n\n"; 301 return; 302 } 303 for (size_t class_def_index = 0; 304 class_def_index < dex_file->NumClassDefs(); 305 class_def_index++) { 306 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 307 const char* descriptor = dex_file->GetClassDescriptor(class_def); 308 const OatFile::OatClass oat_class = oat_dex_file.GetOatClass(class_def_index); 309 os << StringPrintf("%zd: %s (type_idx=%d)", class_def_index, descriptor, class_def.class_idx_) 310 << " (" << oat_class.GetStatus() << ")" 311 << " (" << oat_class.GetType() << ")\n"; 312 // TODO: include bitmap here if type is kOatClassSomeCompiled? 313 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 314 std::ostream indented_os(&indent_filter); 315 DumpOatClass(indented_os, oat_class, *(dex_file.get()), class_def); 316 } 317 318 os << std::flush; 319 } 320 321 static void SkipAllFields(ClassDataItemIterator& it) { 322 while (it.HasNextStaticField()) { 323 it.Next(); 324 } 325 while (it.HasNextInstanceField()) { 326 it.Next(); 327 } 328 } 329 330 void DumpOatClass(std::ostream& os, const OatFile::OatClass& oat_class, const DexFile& dex_file, 331 const DexFile::ClassDef& class_def) { 332 const byte* class_data = dex_file.GetClassData(class_def); 333 if (class_data == NULL) { // empty class such as a marker interface? 334 return; 335 } 336 ClassDataItemIterator it(dex_file, class_data); 337 SkipAllFields(it); 338 uint32_t class_method_idx = 0; 339 while (it.HasNextDirectMethod()) { 340 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 341 DumpOatMethod(os, class_def, class_method_idx, oat_method, dex_file, 342 it.GetMemberIndex(), it.GetMethodCodeItem(), it.GetMemberAccessFlags()); 343 class_method_idx++; 344 it.Next(); 345 } 346 while (it.HasNextVirtualMethod()) { 347 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 348 DumpOatMethod(os, class_def, class_method_idx, oat_method, dex_file, 349 it.GetMemberIndex(), it.GetMethodCodeItem(), it.GetMemberAccessFlags()); 350 class_method_idx++; 351 it.Next(); 352 } 353 DCHECK(!it.HasNext()); 354 os << std::flush; 355 } 356 357 void DumpOatMethod(std::ostream& os, const DexFile::ClassDef& class_def, 358 uint32_t class_method_index, 359 const OatFile::OatMethod& oat_method, const DexFile& dex_file, 360 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 361 uint32_t method_access_flags) { 362 os << StringPrintf("%d: %s (dex_method_idx=%d)\n", 363 class_method_index, PrettyMethod(dex_method_idx, dex_file, true).c_str(), 364 dex_method_idx); 365 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 366 std::unique_ptr<std::ostream> indent1_os(new std::ostream(&indent1_filter)); 367 Indenter indent2_filter(indent1_os->rdbuf(), kIndentChar, kIndentBy1Count); 368 std::unique_ptr<std::ostream> indent2_os(new std::ostream(&indent2_filter)); 369 { 370 *indent1_os << "DEX CODE:\n"; 371 DumpDexCode(*indent2_os, dex_file, code_item); 372 } 373 if (Runtime::Current() != NULL) { 374 *indent1_os << "VERIFIER TYPE ANALYSIS:\n"; 375 DumpVerifier(*indent2_os, dex_method_idx, &dex_file, class_def, code_item, 376 method_access_flags); 377 } 378 { 379 *indent1_os << "OAT DATA:\n"; 380 381 *indent2_os << StringPrintf("frame_size_in_bytes: %zd\n", oat_method.GetFrameSizeInBytes()); 382 *indent2_os << StringPrintf("core_spill_mask: 0x%08x ", oat_method.GetCoreSpillMask()); 383 DumpSpillMask(*indent2_os, oat_method.GetCoreSpillMask(), false); 384 *indent2_os << StringPrintf("\nfp_spill_mask: 0x%08x ", oat_method.GetFpSpillMask()); 385 DumpSpillMask(*indent2_os, oat_method.GetFpSpillMask(), true); 386 *indent2_os << StringPrintf("\nvmap_table: %p (offset=0x%08x)\n", 387 oat_method.GetVmapTable(), oat_method.GetVmapTableOffset()); 388 DumpVmap(*indent2_os, oat_method); 389 *indent2_os << StringPrintf("mapping_table: %p (offset=0x%08x)\n", 390 oat_method.GetMappingTable(), oat_method.GetMappingTableOffset()); 391 if (dump_raw_mapping_table_) { 392 Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); 393 std::ostream indent3_os(&indent3_filter); 394 DumpMappingTable(indent3_os, oat_method); 395 } 396 *indent2_os << StringPrintf("gc_map: %p (offset=0x%08x)\n", 397 oat_method.GetNativeGcMap(), oat_method.GetNativeGcMapOffset()); 398 if (dump_raw_gc_map_) { 399 Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); 400 std::ostream indent3_os(&indent3_filter); 401 DumpGcMap(indent3_os, oat_method, code_item); 402 } 403 } 404 { 405 const void* code = oat_method.GetQuickCode(); 406 uint32_t code_size = oat_method.GetQuickCodeSize(); 407 if (code == nullptr) { 408 code = oat_method.GetPortableCode(); 409 code_size = oat_method.GetPortableCodeSize(); 410 } 411 *indent1_os << StringPrintf("CODE: %p (offset=0x%08x size=%d)%s\n", 412 code, 413 oat_method.GetCodeOffset(), 414 code_size, 415 code != nullptr ? "..." : ""); 416 417 Runtime* runtime = Runtime::Current(); 418 if (runtime != nullptr) { 419 ScopedObjectAccess soa(Thread::Current()); 420 StackHandleScope<1> hs(soa.Self()); 421 Handle<mirror::DexCache> dex_cache( 422 hs.NewHandle(runtime->GetClassLinker()->FindDexCache(dex_file))); 423 NullHandle<mirror::ClassLoader> class_loader; 424 verifier::MethodVerifier verifier(&dex_file, &dex_cache, &class_loader, &class_def, 425 code_item, dex_method_idx, nullptr, method_access_flags, 426 true, true, true); 427 verifier.Verify(); 428 DumpCode(*indent2_os, &verifier, oat_method, code_item); 429 } else { 430 DumpCode(*indent2_os, nullptr, oat_method, code_item); 431 } 432 } 433 } 434 435 void DumpSpillMask(std::ostream& os, uint32_t spill_mask, bool is_float) { 436 if (spill_mask == 0) { 437 return; 438 } 439 os << "("; 440 for (size_t i = 0; i < 32; i++) { 441 if ((spill_mask & (1 << i)) != 0) { 442 if (is_float) { 443 os << "fr" << i; 444 } else { 445 os << "r" << i; 446 } 447 spill_mask ^= 1 << i; // clear bit 448 if (spill_mask != 0) { 449 os << ", "; 450 } else { 451 break; 452 } 453 } 454 } 455 os << ")"; 456 } 457 458 void DumpVmap(std::ostream& os, const OatFile::OatMethod& oat_method) { 459 const uint8_t* raw_table = oat_method.GetVmapTable(); 460 if (raw_table != NULL) { 461 const VmapTable vmap_table(raw_table); 462 bool first = true; 463 bool processing_fp = false; 464 uint32_t spill_mask = oat_method.GetCoreSpillMask(); 465 for (size_t i = 0; i < vmap_table.Size(); i++) { 466 uint16_t dex_reg = vmap_table[i]; 467 uint32_t cpu_reg = vmap_table.ComputeRegister(spill_mask, i, 468 processing_fp ? kFloatVReg : kIntVReg); 469 os << (first ? "v" : ", v") << dex_reg; 470 if (!processing_fp) { 471 os << "/r" << cpu_reg; 472 } else { 473 os << "/fr" << cpu_reg; 474 } 475 first = false; 476 if (!processing_fp && dex_reg == 0xFFFF) { 477 processing_fp = true; 478 spill_mask = oat_method.GetFpSpillMask(); 479 } 480 } 481 os << "\n"; 482 } 483 } 484 485 void DescribeVReg(std::ostream& os, const OatFile::OatMethod& oat_method, 486 const DexFile::CodeItem* code_item, size_t reg, VRegKind kind) { 487 const uint8_t* raw_table = oat_method.GetVmapTable(); 488 if (raw_table != NULL) { 489 const VmapTable vmap_table(raw_table); 490 uint32_t vmap_offset; 491 if (vmap_table.IsInContext(reg, kind, &vmap_offset)) { 492 bool is_float = (kind == kFloatVReg) || (kind == kDoubleLoVReg) || (kind == kDoubleHiVReg); 493 uint32_t spill_mask = is_float ? oat_method.GetFpSpillMask() 494 : oat_method.GetCoreSpillMask(); 495 os << (is_float ? "fr" : "r") << vmap_table.ComputeRegister(spill_mask, vmap_offset, kind); 496 } else { 497 uint32_t offset = StackVisitor::GetVRegOffset(code_item, oat_method.GetCoreSpillMask(), 498 oat_method.GetFpSpillMask(), 499 oat_method.GetFrameSizeInBytes(), reg, 500 GetInstructionSet()); 501 os << "[sp + #" << offset << "]"; 502 } 503 } 504 } 505 506 void DumpGcMapRegisters(std::ostream& os, const OatFile::OatMethod& oat_method, 507 const DexFile::CodeItem* code_item, 508 size_t num_regs, const uint8_t* reg_bitmap) { 509 bool first = true; 510 for (size_t reg = 0; reg < num_regs; reg++) { 511 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 512 if (first) { 513 os << " v" << reg << " ("; 514 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 515 os << ")"; 516 first = false; 517 } else { 518 os << ", v" << reg << " ("; 519 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 520 os << ")"; 521 } 522 } 523 } 524 if (first) { 525 os << "No registers in GC map\n"; 526 } else { 527 os << "\n"; 528 } 529 } 530 void DumpGcMap(std::ostream& os, const OatFile::OatMethod& oat_method, 531 const DexFile::CodeItem* code_item) { 532 const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); 533 if (gc_map_raw == nullptr) { 534 return; // No GC map. 535 } 536 const void* quick_code = oat_method.GetQuickCode(); 537 if (quick_code != nullptr) { 538 NativePcOffsetToReferenceMap map(gc_map_raw); 539 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 540 const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(quick_code) + 541 map.GetNativePcOffset(entry); 542 os << StringPrintf("%p", native_pc); 543 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 544 } 545 } else { 546 const void* portable_code = oat_method.GetPortableCode(); 547 CHECK(portable_code != nullptr); 548 verifier::DexPcToReferenceMap map(gc_map_raw); 549 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 550 uint32_t dex_pc = map.GetDexPc(entry); 551 os << StringPrintf("0x%08x", dex_pc); 552 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 553 } 554 } 555 } 556 557 void DumpMappingTable(std::ostream& os, const OatFile::OatMethod& oat_method) { 558 const void* quick_code = oat_method.GetQuickCode(); 559 if (quick_code == nullptr) { 560 return; 561 } 562 MappingTable table(oat_method.GetMappingTable()); 563 if (table.TotalSize() != 0) { 564 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 565 std::ostream indent_os(&indent_filter); 566 if (table.PcToDexSize() != 0) { 567 typedef MappingTable::PcToDexIterator It; 568 os << "suspend point mappings {\n"; 569 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 570 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 571 } 572 os << "}\n"; 573 } 574 if (table.DexToPcSize() != 0) { 575 typedef MappingTable::DexToPcIterator It; 576 os << "catch entry mappings {\n"; 577 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 578 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 579 } 580 os << "}\n"; 581 } 582 } 583 } 584 585 uint32_t DumpMappingAtOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 586 size_t offset, bool suspend_point_mapping) { 587 MappingTable table(oat_method.GetMappingTable()); 588 if (suspend_point_mapping && table.PcToDexSize() > 0) { 589 typedef MappingTable::PcToDexIterator It; 590 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 591 if (offset == cur.NativePcOffset()) { 592 os << StringPrintf("suspend point dex PC: 0x%04x\n", cur.DexPc()); 593 return cur.DexPc(); 594 } 595 } 596 } else if (!suspend_point_mapping && table.DexToPcSize() > 0) { 597 typedef MappingTable::DexToPcIterator It; 598 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 599 if (offset == cur.NativePcOffset()) { 600 os << StringPrintf("catch entry dex PC: 0x%04x\n", cur.DexPc()); 601 return cur.DexPc(); 602 } 603 } 604 } 605 return DexFile::kDexNoIndex; 606 } 607 608 void DumpGcMapAtNativePcOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 609 const DexFile::CodeItem* code_item, size_t native_pc_offset) { 610 const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); 611 if (gc_map_raw != NULL) { 612 NativePcOffsetToReferenceMap map(gc_map_raw); 613 if (map.HasEntry(native_pc_offset)) { 614 size_t num_regs = map.RegWidth() * 8; 615 const uint8_t* reg_bitmap = map.FindBitMap(native_pc_offset); 616 bool first = true; 617 for (size_t reg = 0; reg < num_regs; reg++) { 618 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 619 if (first) { 620 os << "GC map objects: v" << reg << " ("; 621 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 622 os << ")"; 623 first = false; 624 } else { 625 os << ", v" << reg << " ("; 626 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 627 os << ")"; 628 } 629 } 630 } 631 if (!first) { 632 os << "\n"; 633 } 634 } 635 } 636 } 637 638 void DumpVRegsAtDexPc(std::ostream& os, verifier::MethodVerifier* verifier, 639 const OatFile::OatMethod& oat_method, 640 const DexFile::CodeItem* code_item, uint32_t dex_pc) { 641 DCHECK(verifier != nullptr); 642 std::vector<int32_t> kinds = verifier->DescribeVRegs(dex_pc); 643 bool first = true; 644 for (size_t reg = 0; reg < code_item->registers_size_; reg++) { 645 VRegKind kind = static_cast<VRegKind>(kinds.at(reg * 2)); 646 if (kind != kUndefined) { 647 if (first) { 648 os << "VRegs: v"; 649 first = false; 650 } else { 651 os << ", v"; 652 } 653 os << reg << " ("; 654 switch (kind) { 655 case kImpreciseConstant: 656 os << "Imprecise Constant: " << kinds.at((reg * 2) + 1) << ", "; 657 DescribeVReg(os, oat_method, code_item, reg, kind); 658 break; 659 case kConstant: 660 os << "Constant: " << kinds.at((reg * 2) + 1); 661 break; 662 default: 663 DescribeVReg(os, oat_method, code_item, reg, kind); 664 break; 665 } 666 os << ")"; 667 } 668 } 669 if (!first) { 670 os << "\n"; 671 } 672 } 673 674 675 void DumpDexCode(std::ostream& os, const DexFile& dex_file, const DexFile::CodeItem* code_item) { 676 if (code_item != NULL) { 677 size_t i = 0; 678 while (i < code_item->insns_size_in_code_units_) { 679 const Instruction* instruction = Instruction::At(&code_item->insns_[i]); 680 os << StringPrintf("0x%04zx: %s\n", i, instruction->DumpString(&dex_file).c_str()); 681 i += instruction->SizeInCodeUnits(); 682 } 683 } 684 } 685 686 void DumpVerifier(std::ostream& os, uint32_t dex_method_idx, const DexFile* dex_file, 687 const DexFile::ClassDef& class_def, const DexFile::CodeItem* code_item, 688 uint32_t method_access_flags) { 689 if ((method_access_flags & kAccNative) == 0) { 690 ScopedObjectAccess soa(Thread::Current()); 691 StackHandleScope<2> hs(soa.Self()); 692 Handle<mirror::DexCache> dex_cache( 693 hs.NewHandle(Runtime::Current()->GetClassLinker()->FindDexCache(*dex_file))); 694 auto class_loader(hs.NewHandle<mirror::ClassLoader>(nullptr)); 695 verifier::MethodVerifier::VerifyMethodAndDump(os, dex_method_idx, dex_file, dex_cache, 696 class_loader, &class_def, code_item, nullptr, 697 method_access_flags); 698 } 699 } 700 701 void DumpCode(std::ostream& os, verifier::MethodVerifier* verifier, 702 const OatFile::OatMethod& oat_method, const DexFile::CodeItem* code_item) { 703 const void* portable_code = oat_method.GetPortableCode(); 704 const void* quick_code = oat_method.GetQuickCode(); 705 706 size_t code_size = oat_method.GetQuickCodeSize(); 707 if ((code_size == 0) || ((portable_code == nullptr) && (quick_code == nullptr))) { 708 os << "NO CODE!\n"; 709 return; 710 } else if (quick_code != nullptr) { 711 const uint8_t* quick_native_pc = reinterpret_cast<const uint8_t*>(quick_code); 712 size_t offset = 0; 713 while (offset < code_size) { 714 DumpMappingAtOffset(os, oat_method, offset, false); 715 offset += disassembler_->Dump(os, quick_native_pc + offset); 716 uint32_t dex_pc = DumpMappingAtOffset(os, oat_method, offset, true); 717 if (dex_pc != DexFile::kDexNoIndex) { 718 DumpGcMapAtNativePcOffset(os, oat_method, code_item, offset); 719 if (verifier != nullptr) { 720 DumpVRegsAtDexPc(os, verifier, oat_method, code_item, dex_pc); 721 } 722 } 723 } 724 } else { 725 CHECK(portable_code != nullptr); 726 CHECK_EQ(code_size, 0U); // TODO: disassembly of portable is currently not supported. 727 } 728 } 729 730 const OatFile& oat_file_; 731 std::vector<const OatFile::OatDexFile*> oat_dex_files_; 732 bool dump_raw_mapping_table_; 733 bool dump_raw_gc_map_; 734 std::set<uintptr_t> offsets_; 735 std::unique_ptr<Disassembler> disassembler_; 736}; 737 738class ImageDumper { 739 public: 740 explicit ImageDumper(std::ostream* os, gc::space::ImageSpace& image_space, 741 const ImageHeader& image_header, bool dump_raw_mapping_table, 742 bool dump_raw_gc_map) 743 : os_(os), image_space_(image_space), image_header_(image_header), 744 dump_raw_mapping_table_(dump_raw_mapping_table), 745 dump_raw_gc_map_(dump_raw_gc_map) {} 746 747 void Dump() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 748 std::ostream& os = *os_; 749 os << "MAGIC: " << image_header_.GetMagic() << "\n\n"; 750 751 os << "IMAGE BEGIN: " << reinterpret_cast<void*>(image_header_.GetImageBegin()) << "\n\n"; 752 753 os << "IMAGE BITMAP OFFSET: " << reinterpret_cast<void*>(image_header_.GetImageBitmapOffset()) 754 << " SIZE: " << reinterpret_cast<void*>(image_header_.GetImageBitmapSize()) << "\n\n"; 755 756 os << "OAT CHECKSUM: " << StringPrintf("0x%08x\n\n", image_header_.GetOatChecksum()); 757 758 os << "OAT FILE BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatFileBegin()) << "\n\n"; 759 760 os << "OAT DATA BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatDataBegin()) << "\n\n"; 761 762 os << "OAT DATA END:" << reinterpret_cast<void*>(image_header_.GetOatDataEnd()) << "\n\n"; 763 764 os << "OAT FILE END:" << reinterpret_cast<void*>(image_header_.GetOatFileEnd()) << "\n\n"; 765 766 { 767 os << "ROOTS: " << reinterpret_cast<void*>(image_header_.GetImageRoots()) << "\n"; 768 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 769 std::ostream indent1_os(&indent1_filter); 770 CHECK_EQ(arraysize(image_roots_descriptions_), size_t(ImageHeader::kImageRootsMax)); 771 for (int i = 0; i < ImageHeader::kImageRootsMax; i++) { 772 ImageHeader::ImageRoot image_root = static_cast<ImageHeader::ImageRoot>(i); 773 const char* image_root_description = image_roots_descriptions_[i]; 774 mirror::Object* image_root_object = image_header_.GetImageRoot(image_root); 775 indent1_os << StringPrintf("%s: %p\n", image_root_description, image_root_object); 776 if (image_root_object->IsObjectArray()) { 777 Indenter indent2_filter(indent1_os.rdbuf(), kIndentChar, kIndentBy1Count); 778 std::ostream indent2_os(&indent2_filter); 779 mirror::ObjectArray<mirror::Object>* image_root_object_array 780 = image_root_object->AsObjectArray<mirror::Object>(); 781 for (int i = 0; i < image_root_object_array->GetLength(); i++) { 782 mirror::Object* value = image_root_object_array->Get(i); 783 size_t run = 0; 784 for (int32_t j = i + 1; j < image_root_object_array->GetLength(); j++) { 785 if (value == image_root_object_array->Get(j)) { 786 run++; 787 } else { 788 break; 789 } 790 } 791 if (run == 0) { 792 indent2_os << StringPrintf("%d: ", i); 793 } else { 794 indent2_os << StringPrintf("%d to %zd: ", i, i + run); 795 i = i + run; 796 } 797 if (value != NULL) { 798 PrettyObjectValue(indent2_os, value->GetClass(), value); 799 } else { 800 indent2_os << i << ": null\n"; 801 } 802 } 803 } 804 } 805 } 806 os << "\n"; 807 808 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 809 std::string image_filename = image_space_.GetImageFilename(); 810 std::string oat_location = ImageHeader::GetOatLocationFromImageLocation(image_filename); 811 os << "OAT LOCATION: " << oat_location; 812 os << "\n"; 813 std::string error_msg; 814 const OatFile* oat_file = class_linker->FindOatFileFromOatLocation(oat_location, &error_msg); 815 if (oat_file == NULL) { 816 os << "NOT FOUND: " << error_msg << "\n"; 817 return; 818 } 819 os << "\n"; 820 821 stats_.oat_file_bytes = oat_file->Size(); 822 823 oat_dumper_.reset(new OatDumper(*oat_file, dump_raw_mapping_table_, 824 dump_raw_gc_map_)); 825 826 for (const OatFile::OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { 827 CHECK(oat_dex_file != NULL); 828 stats_.oat_dex_file_sizes.push_back(std::make_pair(oat_dex_file->GetDexFileLocation(), 829 oat_dex_file->FileSize())); 830 } 831 832 os << "OBJECTS:\n" << std::flush; 833 834 // Loop through all the image spaces and dump their objects. 835 gc::Heap* heap = Runtime::Current()->GetHeap(); 836 const std::vector<gc::space::ContinuousSpace*>& spaces = heap->GetContinuousSpaces(); 837 Thread* self = Thread::Current(); 838 { 839 { 840 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 841 heap->FlushAllocStack(); 842 } 843 // Since FlushAllocStack() above resets the (active) allocation 844 // stack. Need to revoke the thread-local allocation stacks that 845 // point into it. 846 { 847 self->TransitionFromRunnableToSuspended(kNative); 848 ThreadList* thread_list = Runtime::Current()->GetThreadList(); 849 thread_list->SuspendAll(); 850 heap->RevokeAllThreadLocalAllocationStacks(self); 851 thread_list->ResumeAll(); 852 self->TransitionFromSuspendedToRunnable(); 853 } 854 } 855 { 856 std::ostream* saved_os = os_; 857 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 858 std::ostream indent_os(&indent_filter); 859 os_ = &indent_os; 860 ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 861 for (const auto& space : spaces) { 862 if (space->IsImageSpace()) { 863 gc::space::ImageSpace* image_space = space->AsImageSpace(); 864 image_space->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 865 indent_os << "\n"; 866 } 867 } 868 // Dump the large objects separately. 869 heap->GetLargeObjectsSpace()->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 870 indent_os << "\n"; 871 os_ = saved_os; 872 } 873 os << "STATS:\n" << std::flush; 874 std::unique_ptr<File> file(OS::OpenFileForReading(image_filename.c_str())); 875 if (file.get() == NULL) { 876 LOG(WARNING) << "Failed to find image in " << image_filename; 877 } 878 if (file.get() != NULL) { 879 stats_.file_bytes = file->GetLength(); 880 } 881 size_t header_bytes = sizeof(ImageHeader); 882 stats_.header_bytes = header_bytes; 883 size_t alignment_bytes = RoundUp(header_bytes, kObjectAlignment) - header_bytes; 884 stats_.alignment_bytes += alignment_bytes; 885 stats_.alignment_bytes += image_header_.GetImageBitmapOffset() - image_header_.GetImageSize(); 886 stats_.bitmap_bytes += image_header_.GetImageBitmapSize(); 887 stats_.Dump(os); 888 os << "\n"; 889 890 os << std::flush; 891 892 oat_dumper_->Dump(os); 893 } 894 895 private: 896 static void PrettyObjectValue(std::ostream& os, mirror::Class* type, mirror::Object* value) 897 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 898 CHECK(type != NULL); 899 if (value == NULL) { 900 os << StringPrintf("null %s\n", PrettyDescriptor(type).c_str()); 901 } else if (type->IsStringClass()) { 902 mirror::String* string = value->AsString(); 903 os << StringPrintf("%p String: %s\n", string, 904 PrintableString(string->ToModifiedUtf8()).c_str()); 905 } else if (type->IsClassClass()) { 906 mirror::Class* klass = value->AsClass(); 907 os << StringPrintf("%p Class: %s\n", klass, PrettyDescriptor(klass).c_str()); 908 } else if (type->IsArtFieldClass()) { 909 mirror::ArtField* field = value->AsArtField(); 910 os << StringPrintf("%p Field: %s\n", field, PrettyField(field).c_str()); 911 } else if (type->IsArtMethodClass()) { 912 mirror::ArtMethod* method = value->AsArtMethod(); 913 os << StringPrintf("%p Method: %s\n", method, PrettyMethod(method).c_str()); 914 } else { 915 os << StringPrintf("%p %s\n", value, PrettyDescriptor(type).c_str()); 916 } 917 } 918 919 static void PrintField(std::ostream& os, mirror::ArtField* field, mirror::Object* obj) 920 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 921 const char* descriptor = field->GetTypeDescriptor(); 922 os << StringPrintf("%s: ", field->GetName()); 923 if (descriptor[0] != 'L' && descriptor[0] != '[') { 924 StackHandleScope<1> hs(Thread::Current()); 925 FieldHelper fh(hs.NewHandle(field)); 926 mirror::Class* type = fh.GetType(); 927 if (type->IsPrimitiveLong()) { 928 os << StringPrintf("%" PRId64 " (0x%" PRIx64 ")\n", field->Get64(obj), field->Get64(obj)); 929 } else if (type->IsPrimitiveDouble()) { 930 os << StringPrintf("%f (%a)\n", field->GetDouble(obj), field->GetDouble(obj)); 931 } else if (type->IsPrimitiveFloat()) { 932 os << StringPrintf("%f (%a)\n", field->GetFloat(obj), field->GetFloat(obj)); 933 } else { 934 DCHECK(type->IsPrimitive()); 935 os << StringPrintf("%d (0x%x)\n", field->Get32(obj), field->Get32(obj)); 936 } 937 } else { 938 // Get the value, don't compute the type unless it is non-null as we don't want 939 // to cause class loading. 940 mirror::Object* value = field->GetObj(obj); 941 if (value == NULL) { 942 os << StringPrintf("null %s\n", PrettyDescriptor(descriptor).c_str()); 943 } else { 944 // Grab the field type without causing resolution. 945 StackHandleScope<1> hs(Thread::Current()); 946 FieldHelper fh(hs.NewHandle(field)); 947 mirror::Class* field_type = fh.GetType(false); 948 if (field_type != NULL) { 949 PrettyObjectValue(os, field_type, value); 950 } else { 951 os << StringPrintf("%p %s\n", value, PrettyDescriptor(descriptor).c_str()); 952 } 953 } 954 } 955 } 956 957 static void DumpFields(std::ostream& os, mirror::Object* obj, mirror::Class* klass) 958 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 959 mirror::Class* super = klass->GetSuperClass(); 960 if (super != NULL) { 961 DumpFields(os, obj, super); 962 } 963 mirror::ObjectArray<mirror::ArtField>* fields = klass->GetIFields(); 964 if (fields != NULL) { 965 for (int32_t i = 0; i < fields->GetLength(); i++) { 966 mirror::ArtField* field = fields->Get(i); 967 PrintField(os, field, obj); 968 } 969 } 970 } 971 972 bool InDumpSpace(const mirror::Object* object) { 973 return image_space_.Contains(object); 974 } 975 976 const void* GetQuickOatCodeBegin(mirror::ArtMethod* m) 977 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 978 const void* quick_code = m->GetEntryPointFromQuickCompiledCode(); 979 if (quick_code == GetQuickResolutionTrampoline(Runtime::Current()->GetClassLinker())) { 980 quick_code = oat_dumper_->GetQuickOatCode(m); 981 } 982 if (oat_dumper_->GetInstructionSet() == kThumb2) { 983 quick_code = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(quick_code) & ~0x1); 984 } 985 return quick_code; 986 } 987 988 uint32_t GetQuickOatCodeSize(mirror::ArtMethod* m) 989 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 990 const uint32_t* oat_code_begin = reinterpret_cast<const uint32_t*>(GetQuickOatCodeBegin(m)); 991 if (oat_code_begin == nullptr) { 992 return 0; 993 } 994 return oat_code_begin[-1]; 995 } 996 997 const void* GetQuickOatCodeEnd(mirror::ArtMethod* m) 998 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 999 const uint8_t* oat_code_begin = reinterpret_cast<const uint8_t*>(GetQuickOatCodeBegin(m)); 1000 if (oat_code_begin == NULL) { 1001 return NULL; 1002 } 1003 return oat_code_begin + GetQuickOatCodeSize(m); 1004 } 1005 1006 static void Callback(mirror::Object* obj, void* arg) 1007 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1008 DCHECK(obj != NULL); 1009 DCHECK(arg != NULL); 1010 ImageDumper* state = reinterpret_cast<ImageDumper*>(arg); 1011 if (!state->InDumpSpace(obj)) { 1012 return; 1013 } 1014 1015 size_t object_bytes = obj->SizeOf(); 1016 size_t alignment_bytes = RoundUp(object_bytes, kObjectAlignment) - object_bytes; 1017 state->stats_.object_bytes += object_bytes; 1018 state->stats_.alignment_bytes += alignment_bytes; 1019 1020 std::ostream& os = *state->os_; 1021 mirror::Class* obj_class = obj->GetClass(); 1022 if (obj_class->IsArrayClass()) { 1023 os << StringPrintf("%p: %s length:%d\n", obj, PrettyDescriptor(obj_class).c_str(), 1024 obj->AsArray()->GetLength()); 1025 } else if (obj->IsClass()) { 1026 mirror::Class* klass = obj->AsClass(); 1027 os << StringPrintf("%p: java.lang.Class \"%s\" (", obj, PrettyDescriptor(klass).c_str()) 1028 << klass->GetStatus() << ")\n"; 1029 } else if (obj->IsArtField()) { 1030 os << StringPrintf("%p: java.lang.reflect.ArtField %s\n", obj, 1031 PrettyField(obj->AsArtField()).c_str()); 1032 } else if (obj->IsArtMethod()) { 1033 os << StringPrintf("%p: java.lang.reflect.ArtMethod %s\n", obj, 1034 PrettyMethod(obj->AsArtMethod()).c_str()); 1035 } else if (obj_class->IsStringClass()) { 1036 os << StringPrintf("%p: java.lang.String %s\n", obj, 1037 PrintableString(obj->AsString()->ToModifiedUtf8()).c_str()); 1038 } else { 1039 os << StringPrintf("%p: %s\n", obj, PrettyDescriptor(obj_class).c_str()); 1040 } 1041 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1042 std::ostream indent_os(&indent_filter); 1043 DumpFields(indent_os, obj, obj_class); 1044 if (obj->IsObjectArray()) { 1045 mirror::ObjectArray<mirror::Object>* obj_array = obj->AsObjectArray<mirror::Object>(); 1046 int32_t length = obj_array->GetLength(); 1047 for (int32_t i = 0; i < length; i++) { 1048 mirror::Object* value = obj_array->Get(i); 1049 size_t run = 0; 1050 for (int32_t j = i + 1; j < length; j++) { 1051 if (value == obj_array->Get(j)) { 1052 run++; 1053 } else { 1054 break; 1055 } 1056 } 1057 if (run == 0) { 1058 indent_os << StringPrintf("%d: ", i); 1059 } else { 1060 indent_os << StringPrintf("%d to %zd: ", i, i + run); 1061 i = i + run; 1062 } 1063 mirror::Class* value_class = 1064 (value == NULL) ? obj_class->GetComponentType() : value->GetClass(); 1065 PrettyObjectValue(indent_os, value_class, value); 1066 } 1067 } else if (obj->IsClass()) { 1068 mirror::ObjectArray<mirror::ArtField>* sfields = obj->AsClass()->GetSFields(); 1069 if (sfields != NULL) { 1070 indent_os << "STATICS:\n"; 1071 Indenter indent2_filter(indent_os.rdbuf(), kIndentChar, kIndentBy1Count); 1072 std::ostream indent2_os(&indent2_filter); 1073 for (int32_t i = 0; i < sfields->GetLength(); i++) { 1074 mirror::ArtField* field = sfields->Get(i); 1075 PrintField(indent2_os, field, field->GetDeclaringClass()); 1076 } 1077 } 1078 } else if (obj->IsArtMethod()) { 1079 mirror::ArtMethod* method = obj->AsArtMethod(); 1080 if (method->IsNative()) { 1081 // TODO: portable dumping. 1082 DCHECK(method->GetNativeGcMap() == nullptr) << PrettyMethod(method); 1083 DCHECK(method->GetMappingTable() == nullptr) << PrettyMethod(method); 1084 bool first_occurrence; 1085 const void* quick_oat_code = state->GetQuickOatCodeBegin(method); 1086 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1087 state->ComputeOatSize(quick_oat_code, &first_occurrence); 1088 if (first_occurrence) { 1089 state->stats_.native_to_managed_code_bytes += quick_oat_code_size; 1090 } 1091 if (quick_oat_code != method->GetEntryPointFromQuickCompiledCode()) { 1092 indent_os << StringPrintf("OAT CODE: %p\n", quick_oat_code); 1093 } 1094 } else if (method->IsAbstract() || method->IsCalleeSaveMethod() || 1095 method->IsResolutionMethod() || method->IsImtConflictMethod() || 1096 method->IsClassInitializer()) { 1097 DCHECK(method->GetNativeGcMap() == NULL) << PrettyMethod(method); 1098 DCHECK(method->GetMappingTable() == NULL) << PrettyMethod(method); 1099 } else { 1100 const DexFile::CodeItem* code_item = method->GetCodeItem(); 1101 size_t dex_instruction_bytes = code_item->insns_size_in_code_units_ * 2; 1102 state->stats_.dex_instruction_bytes += dex_instruction_bytes; 1103 1104 bool first_occurrence; 1105 size_t gc_map_bytes = state->ComputeOatSize(method->GetNativeGcMap(), &first_occurrence); 1106 if (first_occurrence) { 1107 state->stats_.gc_map_bytes += gc_map_bytes; 1108 } 1109 1110 size_t pc_mapping_table_bytes = 1111 state->ComputeOatSize(method->GetMappingTable(), &first_occurrence); 1112 if (first_occurrence) { 1113 state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes; 1114 } 1115 1116 size_t vmap_table_bytes = 1117 state->ComputeOatSize(method->GetVmapTable(), &first_occurrence); 1118 if (first_occurrence) { 1119 state->stats_.vmap_table_bytes += vmap_table_bytes; 1120 } 1121 1122 // TODO: portable dumping. 1123 const void* quick_oat_code_begin = state->GetQuickOatCodeBegin(method); 1124 const void* quick_oat_code_end = state->GetQuickOatCodeEnd(method); 1125 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1126 state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); 1127 if (first_occurrence) { 1128 state->stats_.managed_code_bytes += quick_oat_code_size; 1129 if (method->IsConstructor()) { 1130 if (method->IsStatic()) { 1131 state->stats_.class_initializer_code_bytes += quick_oat_code_size; 1132 } else if (dex_instruction_bytes > kLargeConstructorDexBytes) { 1133 state->stats_.large_initializer_code_bytes += quick_oat_code_size; 1134 } 1135 } else if (dex_instruction_bytes > kLargeMethodDexBytes) { 1136 state->stats_.large_method_code_bytes += quick_oat_code_size; 1137 } 1138 } 1139 state->stats_.managed_code_bytes_ignoring_deduplication += quick_oat_code_size; 1140 1141 indent_os << StringPrintf("OAT CODE: %p-%p\n", quick_oat_code_begin, quick_oat_code_end); 1142 indent_os << StringPrintf("SIZE: Dex Instructions=%zd GC=%zd Mapping=%zd\n", 1143 dex_instruction_bytes, gc_map_bytes, pc_mapping_table_bytes); 1144 1145 size_t total_size = dex_instruction_bytes + gc_map_bytes + pc_mapping_table_bytes + 1146 vmap_table_bytes + quick_oat_code_size + object_bytes; 1147 1148 double expansion = 1149 static_cast<double>(quick_oat_code_size) / static_cast<double>(dex_instruction_bytes); 1150 state->stats_.ComputeOutliers(total_size, expansion, method); 1151 } 1152 } 1153 state->stats_.Update(obj_class->GetDescriptor().c_str(), object_bytes); 1154 } 1155 1156 std::set<const void*> already_seen_; 1157 // Compute the size of the given data within the oat file and whether this is the first time 1158 // this data has been requested 1159 size_t ComputeOatSize(const void* oat_data, bool* first_occurrence) { 1160 if (already_seen_.count(oat_data) == 0) { 1161 *first_occurrence = true; 1162 already_seen_.insert(oat_data); 1163 } else { 1164 *first_occurrence = false; 1165 } 1166 return oat_dumper_->ComputeSize(oat_data); 1167 } 1168 1169 public: 1170 struct Stats { 1171 size_t oat_file_bytes; 1172 size_t file_bytes; 1173 1174 size_t header_bytes; 1175 size_t object_bytes; 1176 size_t bitmap_bytes; 1177 size_t alignment_bytes; 1178 1179 size_t managed_code_bytes; 1180 size_t managed_code_bytes_ignoring_deduplication; 1181 size_t managed_to_native_code_bytes; 1182 size_t native_to_managed_code_bytes; 1183 size_t class_initializer_code_bytes; 1184 size_t large_initializer_code_bytes; 1185 size_t large_method_code_bytes; 1186 1187 size_t gc_map_bytes; 1188 size_t pc_mapping_table_bytes; 1189 size_t vmap_table_bytes; 1190 1191 size_t dex_instruction_bytes; 1192 1193 std::vector<mirror::ArtMethod*> method_outlier; 1194 std::vector<size_t> method_outlier_size; 1195 std::vector<double> method_outlier_expansion; 1196 std::vector<std::pair<std::string, size_t>> oat_dex_file_sizes; 1197 1198 explicit Stats() 1199 : oat_file_bytes(0), 1200 file_bytes(0), 1201 header_bytes(0), 1202 object_bytes(0), 1203 bitmap_bytes(0), 1204 alignment_bytes(0), 1205 managed_code_bytes(0), 1206 managed_code_bytes_ignoring_deduplication(0), 1207 managed_to_native_code_bytes(0), 1208 native_to_managed_code_bytes(0), 1209 class_initializer_code_bytes(0), 1210 large_initializer_code_bytes(0), 1211 large_method_code_bytes(0), 1212 gc_map_bytes(0), 1213 pc_mapping_table_bytes(0), 1214 vmap_table_bytes(0), 1215 dex_instruction_bytes(0) {} 1216 1217 struct SizeAndCount { 1218 SizeAndCount(size_t bytes, size_t count) : bytes(bytes), count(count) {} 1219 size_t bytes; 1220 size_t count; 1221 }; 1222 typedef SafeMap<std::string, SizeAndCount> SizeAndCountTable; 1223 SizeAndCountTable sizes_and_counts; 1224 1225 void Update(const char* descriptor, size_t object_bytes) { 1226 SizeAndCountTable::iterator it = sizes_and_counts.find(descriptor); 1227 if (it != sizes_and_counts.end()) { 1228 it->second.bytes += object_bytes; 1229 it->second.count += 1; 1230 } else { 1231 sizes_and_counts.Put(descriptor, SizeAndCount(object_bytes, 1)); 1232 } 1233 } 1234 1235 double PercentOfOatBytes(size_t size) { 1236 return (static_cast<double>(size) / static_cast<double>(oat_file_bytes)) * 100; 1237 } 1238 1239 double PercentOfFileBytes(size_t size) { 1240 return (static_cast<double>(size) / static_cast<double>(file_bytes)) * 100; 1241 } 1242 1243 double PercentOfObjectBytes(size_t size) { 1244 return (static_cast<double>(size) / static_cast<double>(object_bytes)) * 100; 1245 } 1246 1247 void ComputeOutliers(size_t total_size, double expansion, mirror::ArtMethod* method) { 1248 method_outlier_size.push_back(total_size); 1249 method_outlier_expansion.push_back(expansion); 1250 method_outlier.push_back(method); 1251 } 1252 1253 void DumpOutliers(std::ostream& os) 1254 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1255 size_t sum_of_sizes = 0; 1256 size_t sum_of_sizes_squared = 0; 1257 size_t sum_of_expansion = 0; 1258 size_t sum_of_expansion_squared = 0; 1259 size_t n = method_outlier_size.size(); 1260 for (size_t i = 0; i < n; i++) { 1261 size_t cur_size = method_outlier_size[i]; 1262 sum_of_sizes += cur_size; 1263 sum_of_sizes_squared += cur_size * cur_size; 1264 double cur_expansion = method_outlier_expansion[i]; 1265 sum_of_expansion += cur_expansion; 1266 sum_of_expansion_squared += cur_expansion * cur_expansion; 1267 } 1268 size_t size_mean = sum_of_sizes / n; 1269 size_t size_variance = (sum_of_sizes_squared - sum_of_sizes * size_mean) / (n - 1); 1270 double expansion_mean = sum_of_expansion / n; 1271 double expansion_variance = 1272 (sum_of_expansion_squared - sum_of_expansion * expansion_mean) / (n - 1); 1273 1274 // Dump methods whose size is a certain number of standard deviations from the mean 1275 size_t dumped_values = 0; 1276 size_t skipped_values = 0; 1277 for (size_t i = 100; i > 0; i--) { // i is the current number of standard deviations 1278 size_t cur_size_variance = i * i * size_variance; 1279 bool first = true; 1280 for (size_t j = 0; j < n; j++) { 1281 size_t cur_size = method_outlier_size[j]; 1282 if (cur_size > size_mean) { 1283 size_t cur_var = cur_size - size_mean; 1284 cur_var = cur_var * cur_var; 1285 if (cur_var > cur_size_variance) { 1286 if (dumped_values > 20) { 1287 if (i == 1) { 1288 skipped_values++; 1289 } else { 1290 i = 2; // jump to counting for 1 standard deviation 1291 break; 1292 } 1293 } else { 1294 if (first) { 1295 os << "\nBig methods (size > " << i << " standard deviations the norm):\n"; 1296 first = false; 1297 } 1298 os << PrettyMethod(method_outlier[j]) << " requires storage of " 1299 << PrettySize(cur_size) << "\n"; 1300 method_outlier_size[j] = 0; // don't consider this method again 1301 dumped_values++; 1302 } 1303 } 1304 } 1305 } 1306 } 1307 if (skipped_values > 0) { 1308 os << "... skipped " << skipped_values 1309 << " methods with size > 1 standard deviation from the norm\n"; 1310 } 1311 os << std::flush; 1312 1313 // Dump methods whose expansion is a certain number of standard deviations from the mean 1314 dumped_values = 0; 1315 skipped_values = 0; 1316 for (size_t i = 10; i > 0; i--) { // i is the current number of standard deviations 1317 double cur_expansion_variance = i * i * expansion_variance; 1318 bool first = true; 1319 for (size_t j = 0; j < n; j++) { 1320 double cur_expansion = method_outlier_expansion[j]; 1321 if (cur_expansion > expansion_mean) { 1322 size_t cur_var = cur_expansion - expansion_mean; 1323 cur_var = cur_var * cur_var; 1324 if (cur_var > cur_expansion_variance) { 1325 if (dumped_values > 20) { 1326 if (i == 1) { 1327 skipped_values++; 1328 } else { 1329 i = 2; // jump to counting for 1 standard deviation 1330 break; 1331 } 1332 } else { 1333 if (first) { 1334 os << "\nLarge expansion methods (size > " << i 1335 << " standard deviations the norm):\n"; 1336 first = false; 1337 } 1338 os << PrettyMethod(method_outlier[j]) << " expanded code by " 1339 << cur_expansion << "\n"; 1340 method_outlier_expansion[j] = 0.0; // don't consider this method again 1341 dumped_values++; 1342 } 1343 } 1344 } 1345 } 1346 } 1347 if (skipped_values > 0) { 1348 os << "... skipped " << skipped_values 1349 << " methods with expansion > 1 standard deviation from the norm\n"; 1350 } 1351 os << "\n" << std::flush; 1352 } 1353 1354 void Dump(std::ostream& os) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1355 { 1356 os << "art_file_bytes = " << PrettySize(file_bytes) << "\n\n" 1357 << "art_file_bytes = header_bytes + object_bytes + alignment_bytes\n"; 1358 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1359 std::ostream indent_os(&indent_filter); 1360 indent_os << StringPrintf("header_bytes = %8zd (%2.0f%% of art file bytes)\n" 1361 "object_bytes = %8zd (%2.0f%% of art file bytes)\n" 1362 "bitmap_bytes = %8zd (%2.0f%% of art file bytes)\n" 1363 "alignment_bytes = %8zd (%2.0f%% of art file bytes)\n\n", 1364 header_bytes, PercentOfFileBytes(header_bytes), 1365 object_bytes, PercentOfFileBytes(object_bytes), 1366 bitmap_bytes, PercentOfFileBytes(bitmap_bytes), 1367 alignment_bytes, PercentOfFileBytes(alignment_bytes)) 1368 << std::flush; 1369 CHECK_EQ(file_bytes, bitmap_bytes + header_bytes + object_bytes + alignment_bytes); 1370 } 1371 1372 os << "object_bytes breakdown:\n"; 1373 size_t object_bytes_total = 0; 1374 for (const auto& sizes_and_count : sizes_and_counts) { 1375 const std::string& descriptor(sizes_and_count.first); 1376 double average = static_cast<double>(sizes_and_count.second.bytes) / 1377 static_cast<double>(sizes_and_count.second.count); 1378 double percent = PercentOfObjectBytes(sizes_and_count.second.bytes); 1379 os << StringPrintf("%32s %8zd bytes %6zd instances " 1380 "(%4.0f bytes/instance) %2.0f%% of object_bytes\n", 1381 descriptor.c_str(), sizes_and_count.second.bytes, 1382 sizes_and_count.second.count, average, percent); 1383 object_bytes_total += sizes_and_count.second.bytes; 1384 } 1385 os << "\n" << std::flush; 1386 CHECK_EQ(object_bytes, object_bytes_total); 1387 1388 os << StringPrintf("oat_file_bytes = %8zd\n" 1389 "managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1390 "managed_to_native_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1391 "native_to_managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n" 1392 "class_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1393 "large_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1394 "large_method_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n", 1395 oat_file_bytes, 1396 managed_code_bytes, 1397 PercentOfOatBytes(managed_code_bytes), 1398 managed_to_native_code_bytes, 1399 PercentOfOatBytes(managed_to_native_code_bytes), 1400 native_to_managed_code_bytes, 1401 PercentOfOatBytes(native_to_managed_code_bytes), 1402 class_initializer_code_bytes, 1403 PercentOfOatBytes(class_initializer_code_bytes), 1404 large_initializer_code_bytes, 1405 PercentOfOatBytes(large_initializer_code_bytes), 1406 large_method_code_bytes, 1407 PercentOfOatBytes(large_method_code_bytes)) 1408 << "DexFile sizes:\n"; 1409 for (const std::pair<std::string, size_t>& oat_dex_file_size : oat_dex_file_sizes) { 1410 os << StringPrintf("%s = %zd (%2.0f%% of oat file bytes)\n", 1411 oat_dex_file_size.first.c_str(), oat_dex_file_size.second, 1412 PercentOfOatBytes(oat_dex_file_size.second)); 1413 } 1414 1415 os << "\n" << StringPrintf("gc_map_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1416 "pc_mapping_table_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1417 "vmap_table_bytes = %7zd (%2.0f%% of oat file bytes)\n\n", 1418 gc_map_bytes, PercentOfOatBytes(gc_map_bytes), 1419 pc_mapping_table_bytes, PercentOfOatBytes(pc_mapping_table_bytes), 1420 vmap_table_bytes, PercentOfOatBytes(vmap_table_bytes)) 1421 << std::flush; 1422 1423 os << StringPrintf("dex_instruction_bytes = %zd\n", dex_instruction_bytes) 1424 << StringPrintf("managed_code_bytes expansion = %.2f (ignoring deduplication %.2f)\n\n", 1425 static_cast<double>(managed_code_bytes) / 1426 static_cast<double>(dex_instruction_bytes), 1427 static_cast<double>(managed_code_bytes_ignoring_deduplication) / 1428 static_cast<double>(dex_instruction_bytes)) 1429 << std::flush; 1430 1431 DumpOutliers(os); 1432 } 1433 } stats_; 1434 1435 private: 1436 enum { 1437 // Number of bytes for a constructor to be considered large. Based on the 1000 basic block 1438 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1439 kLargeConstructorDexBytes = 4000, 1440 // Number of bytes for a method to be considered large. Based on the 4000 basic block 1441 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1442 kLargeMethodDexBytes = 16000 1443 }; 1444 std::unique_ptr<OatDumper> oat_dumper_; 1445 std::ostream* os_; 1446 gc::space::ImageSpace& image_space_; 1447 const ImageHeader& image_header_; 1448 bool dump_raw_mapping_table_; 1449 bool dump_raw_gc_map_; 1450 1451 DISALLOW_COPY_AND_ASSIGN(ImageDumper); 1452}; 1453 1454static int oatdump(int argc, char** argv) { 1455 InitLogging(argv); 1456 1457 // Skip over argv[0]. 1458 argv++; 1459 argc--; 1460 1461 if (argc == 0) { 1462 fprintf(stderr, "No arguments specified\n"); 1463 usage(); 1464 } 1465 1466 const char* oat_filename = NULL; 1467 const char* image_location = NULL; 1468 const char* boot_image_location = NULL; 1469 InstructionSet instruction_set = kRuntimeISA; 1470 std::string elf_filename_prefix; 1471 std::ostream* os = &std::cout; 1472 std::unique_ptr<std::ofstream> out; 1473 bool dump_raw_mapping_table = false; 1474 bool dump_raw_gc_map = false; 1475 1476 for (int i = 0; i < argc; i++) { 1477 const StringPiece option(argv[i]); 1478 if (option.starts_with("--oat-file=")) { 1479 oat_filename = option.substr(strlen("--oat-file=")).data(); 1480 } else if (option.starts_with("--image=")) { 1481 image_location = option.substr(strlen("--image=")).data(); 1482 } else if (option.starts_with("--boot-image=")) { 1483 boot_image_location = option.substr(strlen("--boot-image=")).data(); 1484 } else if (option.starts_with("--instruction-set=")) { 1485 StringPiece instruction_set_str = option.substr(strlen("--instruction-set=")).data(); 1486 if (instruction_set_str == "arm") { 1487 instruction_set = kThumb2; 1488 } else if (instruction_set_str == "arm64") { 1489 instruction_set = kArm64; 1490 } else if (instruction_set_str == "mips") { 1491 instruction_set = kMips; 1492 } else if (instruction_set_str == "x86") { 1493 instruction_set = kX86; 1494 } else if (instruction_set_str == "x86_64") { 1495 instruction_set = kX86_64; 1496 } 1497 } else if (option.starts_with("--dump:")) { 1498 if (option == "--dump:raw_mapping_table") { 1499 dump_raw_mapping_table = true; 1500 } else if (option == "--dump:raw_gc_map") { 1501 dump_raw_gc_map = true; 1502 } else { 1503 fprintf(stderr, "Unknown argument %s\n", option.data()); 1504 usage(); 1505 } 1506 } else if (option.starts_with("--output=")) { 1507 const char* filename = option.substr(strlen("--output=")).data(); 1508 out.reset(new std::ofstream(filename)); 1509 if (!out->good()) { 1510 fprintf(stderr, "Failed to open output filename %s\n", filename); 1511 usage(); 1512 } 1513 os = out.get(); 1514 } else { 1515 fprintf(stderr, "Unknown argument %s\n", option.data()); 1516 usage(); 1517 } 1518 } 1519 1520 if (image_location == NULL && oat_filename == NULL) { 1521 fprintf(stderr, "Either --image or --oat must be specified\n"); 1522 return EXIT_FAILURE; 1523 } 1524 1525 if (image_location != NULL && oat_filename != NULL) { 1526 fprintf(stderr, "Either --image or --oat must be specified but not both\n"); 1527 return EXIT_FAILURE; 1528 } 1529 1530 if (oat_filename != NULL) { 1531 std::string error_msg; 1532 OatFile* oat_file = 1533 OatFile::Open(oat_filename, oat_filename, NULL, false, &error_msg); 1534 if (oat_file == NULL) { 1535 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 1536 return EXIT_FAILURE; 1537 } 1538 OatDumper oat_dumper(*oat_file, dump_raw_mapping_table, dump_raw_gc_map); 1539 oat_dumper.Dump(*os); 1540 return EXIT_SUCCESS; 1541 } 1542 1543 Runtime::Options options; 1544 std::string image_option; 1545 std::string oat_option; 1546 std::string boot_image_option; 1547 std::string boot_oat_option; 1548 1549 // We are more like a compiler than a run-time. We don't want to execute code. 1550 NoopCompilerCallbacks callbacks; 1551 options.push_back(std::make_pair("compilercallbacks", &callbacks)); 1552 1553 if (boot_image_location != NULL) { 1554 boot_image_option += "-Ximage:"; 1555 boot_image_option += boot_image_location; 1556 options.push_back(std::make_pair(boot_image_option.c_str(), reinterpret_cast<void*>(NULL))); 1557 } 1558 if (image_location != NULL) { 1559 image_option += "-Ximage:"; 1560 image_option += image_location; 1561 options.push_back(std::make_pair(image_option.c_str(), reinterpret_cast<void*>(NULL))); 1562 } 1563 options.push_back( 1564 std::make_pair("imageinstructionset", 1565 reinterpret_cast<const void*>(GetInstructionSetString(instruction_set)))); 1566 1567 if (!Runtime::Create(options, false)) { 1568 fprintf(stderr, "Failed to create runtime\n"); 1569 return EXIT_FAILURE; 1570 } 1571 std::unique_ptr<Runtime> runtime(Runtime::Current()); 1572 // Runtime::Create acquired the mutator_lock_ that is normally given away when we Runtime::Start, 1573 // give it away now and then switch to a more manageable ScopedObjectAccess. 1574 Thread::Current()->TransitionFromRunnableToSuspended(kNative); 1575 ScopedObjectAccess soa(Thread::Current()); 1576 gc::Heap* heap = Runtime::Current()->GetHeap(); 1577 gc::space::ImageSpace* image_space = heap->GetImageSpace(); 1578 CHECK(image_space != NULL); 1579 const ImageHeader& image_header = image_space->GetImageHeader(); 1580 if (!image_header.IsValid()) { 1581 fprintf(stderr, "Invalid image header %s\n", image_location); 1582 return EXIT_FAILURE; 1583 } 1584 ImageDumper image_dumper(os, *image_space, image_header, 1585 dump_raw_mapping_table, dump_raw_gc_map); 1586 image_dumper.Dump(); 1587 return EXIT_SUCCESS; 1588} 1589 1590} // namespace art 1591 1592int main(int argc, char** argv) { 1593 return art::oatdump(argc, argv); 1594} 1595